diff --git a/readme.txt b/readme.txt
index e140567a0..1e0073fab 100644
--- a/readme.txt
+++ b/readme.txt
@@ -65,6 +65,10 @@ There are some command-line options, you can see using the --help option. For ex
 [--shadowmap_size=<int>]            Change the worldspace size of the shadowmap
 [--use_uniform_grid]                Use uniform grid broadphase (no all scenes work)
 [--use_jacobi]                      Use GPU parallel Jacobi solver (instead of PGS)
+[--use_large_batches]               Use a different strategy for the constrains solver
+[--debug_kernel_launch]             Show debug info at start/end of each kernel launch
+[--use_dbvt]                        Use the CPU dynamic BVH tree broadphase
+[--allow_opencl_cpu]                Allow to use an OpenCL CPU device
 
 
 You can use mouse picking to grab objects. When holding the ALT of CONTROL key, you have Maya style camera mouse controls.